MJ
Product
mJS
by Cesanta · last CVE Sep 8, 2026
85
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 2High 19Medium 64Low 0
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Add mJS to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2023-50044
9.8
1%
Dec 20
Cesanta MJS 2.20.0 has a getprop_builtin_foreign out-of-bounds read if a Built-in API name occurs in a substring of an input string
Affected: 2.22.0
CVE-2023-43338
9.8
1%
Sep 23
Cesanta mjs v2.20.0 was discovered to contain a function pointer hijacking vulnerability via the function mjs_get_ptr()
Affected: 2.20.0
CVE-2021-46527
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via mjs_get_cstring at src/mjs_string.c
Affected: 2.20.0
CVE-2021-46526
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a global buffer overflow via snquote at src/mjs_json.c
Affected: 2.20.0
CVE-2021-46525
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a heap-use-after-free via mjs_apply at src/mjs_exec.c
Affected: 2.20.0
CVE-2021-46524
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via snquote at mjs/src/mjs_json.c
Affected: 2.20.0
CVE-2021-46523
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via to_json_or_debug at mjs/src/mjs_json.c
Affected: 2.20.0
CVE-2021-46522
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via /usr/lib/x86_64-linux-gnu/libasan.so.4+0xaff53
Affected: 2.20.0
CVE-2021-46521
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a global buffer overflow via c_vsnprintf at mjs/src/common/str_util.c
Affected: 2.20.0
CVE-2021-46520
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via mjs_jprintf at src/mjs_util.c
Affected: 2.20.0
CVE-2021-46519
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via mjs_array_length at src/mjs_array.c
Affected: 2.20.0
CVE-2021-46518
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via mjs_disown at src/mjs_core.c
Affected: 2.20.0
CVE-2021-46513
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a global buffer overflow via mjs_mk_string at mjs/src/mjs_string.c
Affected: 2.20.0
CVE-2021-46509
7.8
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a stack overflow via snquote at mjs/src/mjs_json.c
Affected: 2.20.0
CVE-2024-35386
7.5
1%
May 21
An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_do_gc function in the mjs.c file
Affected: 2.20.0
CVE-2023-49553
7.5
1%
Jan 2
An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_destroy function in the msj.c file
Affected: 2.20.0
CVE-2023-49552
7.5
1%
Jan 2
An Out of Bounds Write in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_op_json_stringify function in the msj.c file
Affected: 2.20.0
CVE-2023-49551
7.5
1%
Jan 2
An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_op_json_parse function in the msj.c file
Affected: 2.20.0
CVE-2023-49550
7.5
1%
Jan 2
An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs+0x4ec508 component
Affected: 2.20.0
CVE-2023-49549
7.5
1%
Jan 2
An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_getretvalpos function in the msj.c file
Affected: 2.20.0
CVE-2026-86716
7.3
1%
Sep 8
Cesanta mJS mjs_tok.c skip_spaces_and_comments heap-based overflow
Affected: 1.0; 1.1; 1.2; 1.3; 1.4; 1.5; +21 more
CVE-2024-35384
5.5
0%
May 21
An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_array_length function in the mjs.c file
Affected: 2.20.0
CVE-2023-30088
5.5
0%
May 9
An issue found in Cesanta MJS v.1.26 allows a local attacker to cause a denial of service via the mjs_execute function in mjs.c
Affected: 1.26
CVE-2023-30087
5.5
0%
May 9
Buffer Overflow vulnerability found in Cesanta MJS v.1.26 allows a local attacker to cause a denial of service via the mjs_mk_string function in mjs.c
Affected: 1.26
CVE-2023-29570
5.5
0%
Apr 24
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_ffi_cb_free at src/mjs_ffi.c
Affected: 2.20.0
CVE-2023-29569
5.5
0%
Apr 14
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via ffi_cb_impl_wpwwwww at src/mjs_ffi.c
Affected: 2.20.0
CVE-2023-29571
5.5
0%
Apr 12
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via gc_sweep at src/mjs_gc.c
Affected: 2.20.0
CVE-2021-36535
5.5
0%
Feb 3
Buffer Overflow vulnerability in Cesanta mJS 1.26 allows remote attackers to cause a denial of service via crafted .js file to mjs_set_errorf
Affected: 1.26
CVE-2021-33449
5.5
0%
Jul 26
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
Affected: before 2.20.0
CVE-2021-33448
5.5
0%
Jul 26
An issue was discovered in mjs(mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
Affected: before 2.20.0
CVE-2021-33447
5.5
0%
Jul 26
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
Affected: before 2.20.0
CVE-2021-33446
5.5
0%
Jul 26
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
Affected: before 2.20.0
CVE-2021-33445
5.5
0%
Jul 26
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
Affected: before 2.20.0
CVE-2021-33444
5.5
0%
Jul 26
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
Affected: before 2.20.0
CVE-2021-33443
5.5
0%
Jul 26
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
Affected: before 2.20.0
CVE-2021-33442
5.5
0%
Jul 26
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
Affected: before 2.20.0
CVE-2021-33441
5.5
0%
Jul 26
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
Affected: before 2.20.0
CVE-2021-33440
5.5
0%
Jul 26
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
Affected: before 2.20.0
CVE-2021-33439
5.5
0%
Jul 26
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
Affected: before 2.20.0
CVE-2021-33438
5.5
0%
Jul 26
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
Affected: before 2.20.0
CVE-2021-33437
5.5
0%
Jul 26
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)
Affected: before 2.20.0
CVE-2021-46556
5.5
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_bcode_insert_offset at src/mjs_bcode.c
Affected: 2.20.0
CVE-2021-46554
5.5
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_json_stringify at src/mjs_json.c
Affected: 2.20.0
CVE-2021-46553
5.5
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_set_internal at src/mjs_object.c
Affected: 2.20.0
CVE-2021-46550
5.5
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via free_json_frame at src/mjs_json.c
Affected: 2.20.0
CVE-2021-46549
5.5
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via parse_cval_type at src/mjs_ffi.c
Affected: 2.20.0
CVE-2021-46548
5.5
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via add_lineno_map_item at src/mjs_bcode.c
Affected: 2.20.0
CVE-2021-46547
5.5
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via /usr/local/bin/mjs+0x2c17e
Affected: 2.20.0
CVE-2021-46546
5.5
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_next at src/mjs_object.c
Affected: 2.20.0
CVE-2021-46545
5.5
1%
Jan 27
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via /lib/x86_64-linux-gnu/libc.so.6+0x4b44b
Affected: 2.20.0
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